diff options
Diffstat (limited to 'drivers/mfd/pcf50633-mbc.c')
| -rw-r--r-- | drivers/mfd/pcf50633-mbc.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/drivers/mfd/pcf50633-mbc.c b/drivers/mfd/pcf50633-mbc.c deleted file mode 100644 index 8e3eb4f7a57..00000000000 --- a/drivers/mfd/pcf50633-mbc.c +++ /dev/null @@ -1,292 +0,0 @@ -#include <linux/mfd/pcf50633/core.h> -#include <linux/mfd/pcf50633/mbc.h> - - -/* -#if CONFIG_INPUT_PCF50633_PMU = -extern static void pcf50633_input_irq(struct pcf50633 *, int, void *); - -static void pcf50633_input_report(struct pcf50633 *pcf, int key) -{ - pcf50633_input_irq(pcf, key, NULL); -} -#else -static void pcf50633_input_report(struct pcf50633 *pcf, int key) -{ -} -#endif -*/ - -void pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma) -{ - int ret; - u8 bits; - - if (ma >= 1000) - bits = PCF50633_MBCC7_USB_1000mA; - else if (ma >= 500) - bits = PCF50633_MBCC7_USB_500mA; - else if (ma >= 100) - bits = PCF50633_MBCC7_USB_100mA; - else - bits = PCF50633_MBCC7_USB_SUSPEND; - - ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7, - PCF50633_MBCC7_USB_MASK, bits); - if (ret) - dev_err(pcf->dev, "error setting usb curlim to %d mA\n", ma); - else - dev_info(pcf->dev, "usb curlim to %d mA\n", ma); - - power_supply_changed(&pcf->mbc.usb); -} -EXPORT_SYMBOL(pcf50633_mbc_usb_curlim_set); - -static const char *chgmode_names[] = { - [PCF50633_MBCS2_MBC_PLAY] = "play-only", - [PCF50633_MBCS2_MBC_USB_PRE] = "pre", - [PCF50633_MBCS2_MBC_ADP_PRE] = "pre", - [PCF50633_MBCS2_MBC_USB_PRE_WAIT] = "pre-wait", - [PCF50633_MBCS2_MBC_ADP_PRE_WAIT] = "pre-wait", - [PCF50633_MBCS2_MBC_USB_FAST] = "fast", - [PCF50633_MBCS2_MBC_ADP_FAST] = "fast", - [PCF50633_MBCS2_MBC_USB_FAST_WAIT] = "fast-wait", - [PCF50633_MBCS2_MBC_ADP_FAST_WAIT] = "fast-wait", - [PCF50633_MBCS2_MBC_BAT_FULL] = "bat-full", -}; - -static ssize_t show_chgmode(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct pcf50633 *pcf = dev_get_drvdata(dev); - - u8 mbcs2 = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2); - u8 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK); - - return sprintf(buf, "%s %d\n", chgmode_names[chgmod], chgmod); -} -static DEVICE_ATTR(chgmode, S_IRUGO | S_IWUSR, show_chgmode, NULL); - -static ssize_t show_usblim(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct pcf50633 *pcf = dev_get_drvdata(dev); - u8 usblim = pcf50633_reg_read(pcf, PCF50633_REG_MBCC7) & - PCF50633_MBCC7_USB_MASK; - unsigned int ma; - - if (usblim == PCF50633_MBCC7_USB_1000mA) - ma = 1000; - else if (usblim == PCF50633_MBCC7_USB_500mA) - ma = 500; - else if (usblim == PCF50633_MBCC7_USB_100mA) - ma = 100; - else - ma = 0; - - return sprintf(buf, "%u\n", ma); -} -static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, NULL); - -static ssize_t force_usb_limit_dangerous(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct pcf50633 *pcf = dev_get_drvdata(dev); - unsigned long ma; - - strict_strtoul(buf, 10, &ma); - - pcf50633_mbc_usb_curlim_set(pcf, ma); - - return count; -} - -static DEVICE_ATTR(force_usb_limit_dangerous, 0600, - NULL, force_usb_limit_dangerous); - -static struct attribute *mbc_sysfs_entries[] = { - &dev_attr_chgmode.attr, - &dev_attr_usb_curlim.attr, - &dev_attr_force_usb_limit_dangerous.attr, - NULL, -}; - -static struct attribute_group mbc_attr_group = { - .name = NULL, /* put in device directory */ - .attrs = mbc_sysfs_entries, -}; - -static void pcf50633_mbc_irq_handler(struct pcf50633 *pcf, int irq, void *data) -{ - struct pcf50633_mbc *mbc; - - mbc = &pcf->mbc; - - /* USB */ - if (irq == PCF50633_IRQ_USBINS) - mbc->usb_online = 1; - else if (irq == PCF50633_IRQ_USBREM) { - mbc->usb_online = 0; - mbc->usb_active = 0; - pcf50633_mbc_usb_curlim_set(pcf, 0); - } - - /* Adapter */ - if (irq == PCF50633_IRQ_ADPINS) { - pcf->mbc.adapter_online = 1; - pcf->mbc.adapter_active = 1; - } else if (irq == PCF50633_IRQ_ADPREM) { - mbc->adapter_online = 0; - mbc->adapter_active = 0; - } - - if (irq == PCF50633_IRQ_BATFULL) { - mbc->usb_active = 0; - mbc->adapter_active = 0; - } - - power_supply_changed(&mbc->usb); - power_supply_changed(&mbc->adapter); - - if (pcf->pdata->mbc_event_callback) - pcf->pdata->mbc_event_callback(pcf, irq); -} - -static int adapter_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - int ret = 0; - struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb); - - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - val->intval = mbc->adapter_online; - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -static int usb_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - int ret = 0; - struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb); - - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - val->intval = mbc->usb_online; - break; - default: - ret = -EINVAL; - break; - } - return ret; -} - -static enum power_supply_property power_props[] = { - POWER_SUPPLY_PROP_ONLINE, -}; - -int __init pcf50633_mbc_probe(struct platform_device *pdev) -{ - struct pcf50633 *pcf; - struct pcf50633_mbc *mbc; - int ret; - - pcf = platform_get_drvdata(pdev); - mbc = &pcf->mbc; - - /* Set up IRQ handlers */ - pcf->irq_handler[PCF50633_IRQ_ADPINS].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_ADPREM].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_USBINS].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_USBREM].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_BATFULL].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_CHGHALT].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_THLIMON].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_THLIMOFF].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_USBLIMON].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_USBLIMOFF].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_LOWSYS].handler = - pcf50633_mbc_irq_handler; - pcf->irq_handler[PCF50633_IRQ_LOWBAT].handler = - pcf50633_mbc_irq_handler; - - /* Create power supplies */ - - mbc->adapter.name = "adapter"; - mbc->adapter.type = POWER_SUPPLY_TYPE_MAINS; - mbc->adapter.properties = power_props; - mbc->adapter.num_properties = ARRAY_SIZE(power_props); - mbc->adapter.get_property = &adapter_get_property; - mbc->adapter.supplied_to = pcf->pdata->batteries; - mbc->adapter.num_supplicants = pcf->pdata->num_batteries; - - mbc->usb.name = "usb"; - mbc->usb.type = POWER_SUPPLY_TYPE_USB; - mbc->usb.properties = power_props; - mbc->usb.num_properties = ARRAY_SIZE(power_props); - mbc->usb.get_property = usb_get_property; - mbc->usb.supplied_to = pcf->pdata->batteries; - mbc->usb.num_supplicants = pcf->pdata->num_batteries; - - ret = power_supply_register(&pdev->dev, &mbc->adapter); - if (ret) - dev_err(pcf->dev, "failed to register adapter\n"); - - ret = power_supply_register(&pdev->dev, &mbc->usb); - if (ret) - dev_err(pcf->dev, "failed to register usb\n"); - - return sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group); -} - -static int __devexit pcf50633_mbc_remove(struct platform_device *pdev) -{ - struct pcf50633 *pcf; - - pcf = platform_get_drvdata(pdev); - - return 0; -} - -struct platform_driver pcf50633_mbc_driver = { - .driver = { - .name = "pcf50633-mbc", - }, - .probe = pcf50633_mbc_probe, - .remove = __devexit_p(pcf50633_mbc_remove), -}; - -static int __init pcf50633_mbc_init(void) -{ - return platform_driver_register(&pcf50633_mbc_driver); -} -module_init(pcf50633_mbc_init); - -static void __exit pcf50633_mbc_exit(void) -{ - platform_driver_unregister(&pcf50633_mbc_driver); -} -module_exit(pcf50633_mbc_exit); - -MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>"); -MODULE_DESCRIPTION("PCF50633 mbc driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pcf50633-mbc"); - |